Merge pull request #657 from sweenr/patch-1

Update mutations.rst

Author: phalt

docs/mutations.rst

@@ -199,7 +199,9 @@ You can use relay with mutations. A Relay mutation must inherit from
 
 .. code:: python
 
-    import graphene import relay, DjangoObjectType
+    import graphene 
+    from graphene import relay
+    from graphene_django import DjangoObjectType
     from graphql_relay import from_global_id
 
     from .queries import QuestionType
@@ -214,7 +216,7 @@ You can use relay with mutations. A Relay mutation must inherit from
 
         @classmethod
         def mutate_and_get_payload(cls, root, info, text, id):
-            question = Question.objects.get(pk=from_global_id(id))
+            question = Question.objects.get(pk=from_global_id(id)[1])
             question.text = text
             question.save()
             return QuestionMutation(question=question)
@@ -226,4 +228,4 @@ Relay ClientIDMutation accept a ``clientIDMutation`` argument.
 This argument is also sent back to the client with the mutation result
 (you do not have to do anything). For services that manage
 a pool of many GraphQL requests in bulk, the ``clientIDMutation``
-allows you to match up a specific mutation with the response.
+allows you to match up a specific mutation with the response.